package com.company.mtp.device.impl;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import java.util.stream.Collectors;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

import com.company.mtp.device.api.Device;
import com.company.mtp.device.api.DeviceManager;
import com.company.mtp.device.api.DeviceStatus;
import com.company.mtp.device.api.InstallationResult;
import com.company.mtp.device.api.ReservationResult;

/**
 * Web浏览器设备管理器实现
 * 支持Web浏览器的连接、管理和控制
 * 
 * @author mtp
 */
@Component("webBrowserManager")
public class WebBrowserManager implements DeviceManager {
    
    private static final Logger log = LoggerFactory.getLogger(WebBrowserManager.class);
    
    private static final String MANAGER_NAME = "Web Browser Manager";
    private static final String MANAGER_VERSION = "1.0.0";
    private static final List<String> SUPPORTED_DEVICE_TYPES = Arrays.asList("Chrome", "Firefox", "Edge", "Safari");
    
    private Map<String, Object> config;
    private List<Device> devices;
    
    @Override
    public String getName() {
        return MANAGER_NAME;
    }
    
    @Override
    public String getVersion() {
        return MANAGER_VERSION;
    }
    
    @Override
    public List<String> getSupportedDeviceTypes() {
        return SUPPORTED_DEVICE_TYPES;
    }
    
    @Override
    public void initialize(Map<String, Object> config) {
        log.info("初始化Web浏览器管理器，配置: {}", config);
        this.config = new HashMap<>(config);
        
        try {
            // 这里实现Web浏览器管理器的初始化逻辑
            // 例如：检查浏览器驱动是否可用，设置浏览器选项等
            
            // 模拟初始化过程
            Thread.sleep(1000);
            
            // 模拟发现设备
            this.devices = new ArrayList<>();
            this.devices.add(Device.builder()
                    .id(UUID.randomUUID().toString())
                    .name("Chrome Browser")
                    .type("Chrome")
                    .osVersion("Windows 10")
                    .status(DeviceStatus.ONLINE)
                    .ipAddress("127.0.0.1")
                    .port(9515)
                    .resolution("1920x1080")
                    .dpi(96)
                    .manufacturer("Google")
                    .model("Chrome 103")
                    .serialNumber("chrome-103")
                    .build());
            
            this.devices.add(Device.builder()
                    .id(UUID.randomUUID().toString())
                    .name("Firefox Browser")
                    .type("Firefox")
                    .osVersion("MacOS 12")
                    .status(DeviceStatus.ONLINE)
                    .ipAddress("127.0.0.1")
                    .port(4444)
                    .resolution("1440x900")
                    .dpi(110)
                    .manufacturer("Mozilla")
                    .model("Firefox 102")
                    .serialNumber("firefox-102")
                    .build());
            
            this.devices.add(Device.builder()
                    .id(UUID.randomUUID().toString())
                    .name("Edge Browser")
                    .type("Edge")
                    .osVersion("Windows 11")
                    .status(DeviceStatus.ONLINE)
                    .ipAddress("127.0.0.1")
                    .port(9516)
                    .resolution("2560x1440")
                    .dpi(125)
                    .manufacturer("Microsoft")
                    .model("Edge 103")
                    .serialNumber("edge-103")
                    .build());
            
            log.info("Web浏览器管理器初始化成功，发现 {} 台设备", devices.size());
        } catch (Exception e) {
            log.error("Web浏览器管理器初始化失败: {}", e.getMessage(), e);
            throw new RuntimeException("Web浏览器管理器初始化失败", e);
        }
    }
    
    @Override
    public List<Device> getAllDevices() {
        return new ArrayList<>(devices);
    }
    
    @Override
    public List<Device> getDevicesByType(String deviceType) {
        return devices.stream()
                .filter(device -> device.getType().equalsIgnoreCase(deviceType))
                .collect(Collectors.toList());
    }
    
    @Override
    public Device getDeviceById(String deviceId) {
        return devices.stream()
                .filter(device -> device.getId().equals(deviceId))
                .findFirst()
                .orElse(null);
    }
    
    @Override
    public ReservationResult reserveDevice(String deviceId, String userId, int duration) {
        Device device = getDeviceById(deviceId);
        if (device == null) {
            return ReservationResult.failure(deviceId, userId, "设备不存在");
        }
        
        if (!device.isAvailable()) {
            return ReservationResult.failure(deviceId, userId, "设备当前不可用");
        }
        
        // 模拟预约过程
        try {
            Thread.sleep(500);
            
            Device.ReservationInfo reservation = Device.ReservationInfo.builder()
                    .userId(userId)
                    .startTime(System.currentTimeMillis())
                    .endTime(System.currentTimeMillis() + duration * 60 * 1000)
                    .description("测试预约")
                    .build();
            
            device.setReservation(reservation);
            device.setStatus(DeviceStatus.RESERVED);
            
            return ReservationResult.success(deviceId, userId, 
                    reservation.getStartTime(), reservation.getEndTime(), 
                    UUID.randomUUID().toString());
        } catch (Exception e) {
            log.error("预约设备失败: {}", e.getMessage(), e);
            return ReservationResult.failure(deviceId, userId, e.getMessage());
        }
    }
    
    @Override
    public boolean releaseDevice(String deviceId, String userId) {
        Device device = getDeviceById(deviceId);
        if (device == null) {
            return false;
        }
        
        if (device.getReservation() == null || 
                !device.getReservation().getUserId().equals(userId)) {
            return false;
        }
        
        // 模拟释放过程
        try {
            Thread.sleep(300);
            
            device.setReservation(null);
            device.setStatus(DeviceStatus.ONLINE);
            return true;
        } catch (Exception e) {
            log.error("释放设备失败: {}", e.getMessage(), e);
            return false;
        }
    }
    
    @Override
    public DeviceStatus getDeviceStatus(String deviceId) {
        Device device = getDeviceById(deviceId);
        return device != null ? device.getStatus() : DeviceStatus.UNKNOWN;
    }
    
    @Override
    public InstallationResult installApp(String deviceId, String appPath) {
        Device device = getDeviceById(deviceId);
        if (device == null) {
            return InstallationResult.failure(deviceId, "", "设备不存在", "");
        }
        
        if (!device.isAvailable()) {
            return InstallationResult.failure(deviceId, "", "设备当前不可用", "");
        }
        
        // 模拟安装过程
        try {
            Thread.sleep(1000);
            
            String packageName = appPath.substring(appPath.lastIndexOf("/") + 1)
                    .replace(".crx", "");
            
            return InstallationResult.success(deviceId, packageName, "1.0.0", System.currentTimeMillis());
        } catch (Exception e) {
            log.error("安装应用失败: {}", e.getMessage(), e);
            return InstallationResult.failure(deviceId, "", e.getMessage(), e.getMessage());
        }
    }
    
    @Override
    public boolean uninstallApp(String deviceId, String packageName) {
        Device device = getDeviceById(deviceId);
        if (device == null) {
            return false;
        }
        
        if (!device.isAvailable()) {
            return false;
        }
        
        // 模拟卸载过程
        try {
            Thread.sleep(500);
            return true;
        } catch (Exception e) {
            log.error("卸载应用失败: {}", e.getMessage(), e);
            return false;
        }
    }
    
    @Override
    public boolean rebootDevice(String deviceId) {
        Device device = getDeviceById(deviceId);
        if (device == null) {
            return false;
        }
        
        // 模拟重启过程
        try {
            Thread.sleep(2000);
            device.setStatus(DeviceStatus.ONLINE);
            device.setReservation(null);
            return true;
        } catch (Exception e) {
            log.error("重启设备失败: {}", e.getMessage(), e);
            return false;
        }
    }
    
    @Override
    public List<String> getDeviceLogs(String deviceId, int lines) {
        Device device = getDeviceById(deviceId);
        if (device == null) {
            return Arrays.asList("设备不存在");
        }
        
        // 模拟获取日志
        List<String> logs = new ArrayList<>();
        for (int i = 1; i <= Math.min(lines, 10); i++) {
            logs.add(String.format("[%s] 日志条目 %d: 这是一条模拟日志", device.getName(), i));
        }
        
        return logs;
    }
    
    @Override
    public void shutdown() {
        log.info("关闭Web浏览器管理器");
        
        try {
            // 这里实现Web浏览器管理器的关闭逻辑
            // 例如：关闭浏览器驱动，释放资源等
            
            // 模拟关闭过程
            Thread.sleep(500);
            
            // 释放所有设备
            for (Device device : devices) {
                device.setStatus(DeviceStatus.OFFLINE);
                device.setReservation(null);
            }
            
            log.info("Web浏览器管理器已关闭");
        } catch (Exception e) {
            log.error("Web浏览器管理器关闭失败: {}", e.getMessage(), e);
        }
    }
}